import sys
class _Getch:
    """Gets a single character from standard input.  Does not echo to the
    screen.
    """
    def __init__(self):
        try:
            self.impl = _GetchWindows()
        except ImportError:
            self.impl = _GetchUnix()
 
    def __call__(self): return self.impl()
 
 
class _GetchUnix:
    def __init__(self):
        import tty, sys
 
    def __call__(self):
        import sys, tty, termios
        fd = sys.stdin.fileno()
        old_settings = termios.tcgetattr(fd)
        try:
            tty.setraw(sys.stdin.fileno(), termios.TCSANOW)
            ch = sys.stdin.read(1)
            sys.stdout.write(ch)
        finally:
            termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
        return ch
 
 
class _GetchWindows:
    def __init__(self):
        import msvcrt
 
    def __call__(self):
        import msvcrt
        return msvcrt.getch()
 
 
getch = _Getch()
## end of http://code.activestate.com/recipes/134892/ }}}
 
command = ""
while True:
    ch = getch()
    if ch == "\r":
        print("\nExecute command: " + command)
        command = ""
        sys.stdout.write("\033[80D")
    else:
        if command == "q":
            sys.stdout.write("\033[80D")
            sys.exit()
            break
        print(command)
